They have certainly changed their stance on this.
Not a surprise since they are changing their stance on most things.
*** km 9/74 p. 8 Question Box ***
Furthermore, we do not want to give others the impression
that the Tetragrammaton is the symbol of Jehovah's witnesses as a whole. We have no organizational symbol to
identify ourselves but show that we are Jehovah's Christian witnesses by living
in harmony with God's will.
*** w00 1/1 p. 9 par. 15 Serving With the
Watchman ***
For example, in the 1920's many Bible Students wore
a pin featuring a cross-and-crown emblem, and they celebrated Christmas and
other pagan holidays. However, for worship to be pure, all vestiges of idolatry
must be discarded. God's Word, the Holy Bible, must be the sole basis of the
Christian's faith and way of life.
*** km 4/09 p. 4 Question Box ***
Congregations or individuals should not use logos
or names of the organization's legal entities, or variations thereof, on their
Kingdom Halls, signs, letterhead, personal objects, and so forth...
The Watch Tower logo, or a variation of it, should not be used in future Kingdom Hall projects even if the Kingdom Hall is owned by a Watch Tower entity.
***
2014 onwards: